diff --git a/go.mod b/go.mod
index 435cfd3e..e9908a69 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,6 @@ toolchain go1.21.5
 require (
 	filippo.io/edwards25519 v1.1.0
 	github.com/blinklabs-io/ouroboros-mock v0.3.1
-	github.com/cosmos/cosmos-sdk v0.50.6
 	github.com/fxamacker/cbor/v2 v2.6.0
 	github.com/jinzhu/copier v0.4.0
 	github.com/utxorpc/go-codegen v0.5.1
@@ -16,7 +15,10 @@ require (
 )
 
 require (
-	github.com/cosmos/btcutil v1.0.5 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/stretchr/testify v1.9.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	golang.org/x/sys v0.20.0 // indirect
 	google.golang.org/protobuf v1.33.0 // indirect
diff --git a/go.sum b/go.sum
index 423f2d1f..716b63be 100644
--- a/go.sum
+++ b/go.sum
@@ -2,10 +2,6 @@ filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/blinklabs-io/ouroboros-mock v0.3.1 h1:oQiMgH0VgsJIGy4lJGaySegObq5FsVgFTYXUO2PS2T8=
 github.com/blinklabs-io/ouroboros-mock v0.3.1/go.mod h1:6DosKZuBZ4mmvky3hXUzGZqqb/KhbwOiKOldwAtNoxc=
-github.com/cosmos/btcutil v1.0.5 h1:t+ZFcX77LpKtDBhjucvnOH8C2l2ioGsBNEQ3jef8xFk=
-github.com/cosmos/btcutil v1.0.5/go.mod h1:IyB7iuqZMJlthe2tkIFL33xPyzbFYP0XVdS8P5lUPis=
-github.com/cosmos/cosmos-sdk v0.50.6 h1:efR3MsvMHX5sxS3be+hOobGk87IzlZbSpsI2x/Vw3hk=
-github.com/cosmos/cosmos-sdk v0.50.6/go.mod h1:lVkRY6cdMJ0fG3gp8y4hFrsKZqF4z7y0M2UXFb9Yt40=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fxamacker/cbor/v2 v2.6.0 h1:sU6J2usfADwWlYDAFhZBQ6TnLFBHxgesMrQfQgk1tWA=
diff --git a/ledger/verify_block_body.go b/ledger/verify_block_body.go
index dd184949..8825be7e 100644
--- a/ledger/verify_block_body.go
+++ b/ledger/verify_block_body.go
@@ -26,7 +26,6 @@ import (
 	"strconv"
 
 	"github.com/blinklabs-io/gouroboros/cbor"
-	"github.com/cosmos/cosmos-sdk/types/bech32"
 	"golang.org/x/crypto/blake2b"
 )
 
@@ -244,16 +243,11 @@ func GetBlockOutput(
 		// We will only focus on:
 		// pool_registration = (3, pool_params)
 		// pool_retirement = (4, pool_keyhash, epoch)
-		for certIndex, cert := range tx.Certificates() {
+		for _, cert := range tx.Certificates() {
 			switch v := cert.(type) {
 			case *PoolRegistrationCertificate:
-				poolIdBytes := v.Operator[:]
-				vrfKeyHashBytes := v.VrfKeyHash[:]
-				vrfKeyHashHex := hex.EncodeToString(vrfKeyHashBytes)
-				poolId, poolIdError := PoolIdToBech32(poolIdBytes)
-				if poolIdError != nil {
-					return nil, nil, nil, fmt.Errorf("GetBlockOutput: RegisSPO => PoolIdToBech32 , tx index %v, cert index %v, error, %v", txIndex, certIndex, poolIdError.Error())
-				}
+				poolId := NewBlake2b224(v.Operator[:]).String()
+				vrfKeyHashHex := hex.EncodeToString(v.VrfKeyHash[:])
 				regisCerts = append(regisCerts, RegisCert{
 					RegisPoolId:  poolId,
 					RegisPoolVrf: vrfKeyHashHex,
@@ -262,11 +256,7 @@ func GetBlockOutput(
 
 			case *PoolRetirementCertificate:
 				// pool_retirement
-				poolIdBytes := v.PoolKeyHash[:]
-				poolId, poolIdError := PoolIdToBech32(poolIdBytes)
-				if poolIdError != nil {
-					return nil, nil, nil, fmt.Errorf("GetBlockOutput: RetireSPO => PoolIdToBech32, tx index %v, cert index %v, error, %v", txIndex, certIndex, poolIdError.Error())
-				}
+				poolId := NewBlake2b224(v.PoolKeyHash[:]).String()
 				retireEpoch := v.Epoch
 				deRegisCerts = append(deRegisCerts, DeRegisCert{
 					DeRegisPoolId: poolId,
@@ -281,17 +271,6 @@ func GetBlockOutput(
 	return outputs, regisCerts, deRegisCerts, nil
 }
 
-func PoolIdToBech32(data []byte) (string, error) {
-	pool, err := bech32.ConvertAndEncode("pool", data)
-	if err != nil {
-		return "", fmt.Errorf(
-			"PoolIdToBech32: ConvertAndEncode error, %v",
-			err.Error(),
-		)
-	}
-	return pool, nil
-}
-
 func ExtractTokens(output TransactionOutput) ([]UTXOOutputToken, error) {
 	var outputTokens []UTXOOutputToken
 	// append lovelace first